package com.mawujun.utils.jsonLib;

import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Locale;

import net.sf.json.JsonConfig;
import net.sf.json.processors.JsonValueProcessor;

public class DateJsonValueProcessor implements JsonValueProcessor {
	  /** 
     * datePattern 
     */  
    private String datePattern = "yyyy-MM-dd";  
  
    /** 
     * JsonDateValueProcessor 
     */  
    public DateJsonValueProcessor() {  
        super();  
    }  
  
    /** 
     * @param format 
     */  
    public DateJsonValueProcessor(String format) {  
        super();  
        this.datePattern = format;  
    }  
  
    /** 
     * @param value 
     * @param jsonConfig 
     * @return Object 
     */  
    public Object processArrayValue(Object value, JsonConfig jsonConfig) {  
        return process(value);  
    }  
  
    /** 
     * @param key 
     * @param value 
     * @param jsonConfig 
     * @return Object 
     */  
    public Object processObjectValue(String key, Object value,  
            JsonConfig jsonConfig) {  
        return process(value);  
    }  
  
    /** 
     * process 
     * @param value 
     * @return 
     */  
    private Object process(Object value) {  
        try {  
        	if(value == null){
        		return null;
        	}
        	SimpleDateFormat sdf = new SimpleDateFormat(datePattern,  Locale.UK);  
            return sdf.format((Date) value);  
            //if (value instanceof Date) {  
//                SimpleDateFormat sdf = new SimpleDateFormat(datePattern,  Locale.UK);  
//                return sdf.format((Date) value);  
            //}  
            //return value == null ? "" : value.toString();  
        } catch (Exception e) {  
            return "";  
        }  
  
    }  
  
    /** 
     * @return the datePattern 
     */  
    public String getDatePattern() {  
        return datePattern;  
    }  
  
    /** 
     * @param pDatePattern the datePattern to set 
     */  
    public void setDatePattern(String pDatePattern) {  
        datePattern = pDatePattern;  
    }  

}
